We have a MATCHED used set of 16 Xceldyne 300M Steel Retainers & 32 total "DLC" Casidiam Coated 6MM (16) & 7MM (16) Mini Top Valve Locks. Part # on the retainers is 11-2551B. They have only been used 2 NASCAR Xfinity Series races.
16 Xceldyne 300M Steel Retainers & 6mm Mini Top Valve Locks Hendrick Motorsports
16 Xceldyne 300M Steel 1.300" Valve Spring Seat Locators NASCAR
16 Xceldyne 300M 1.130" Retainers & 32 Coated 6 MM & 7MM Mini Top Valve Locks
16 PSI Polished Maxi Life 1.310" O.D. Valve Springs & Xceldyne 300M Retainers
16 Xceldye-ECR-11-05208 300M Steel Retainers 6MM & 7MM Mini Top Valve Locks
